Reaction of Allenamides with [60]Fullerene: Formation of Novel Cyclobutane Annulated Fullerene Derivatives - Nair, Vijay; Sethumadhavan, Divakaramenon; Nair, Smitha M; Shanmugam, Ponnusamy; Treesa, Palathingal M; Eigendorf, Guenter K (Synthesis, 2002)